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Andres Freund 22ffbbf24d Fix PQescapeLiteral()/PQescapeIdentifier() length handling 
In 5dc1e42b4f I fixed bugs in various escape functions, unfortunately as part
of that I introduced a new bug in PQescapeLiteral()/PQescapeIdentifier(). The
bug is that I made PQescapeInternal() just use strlen(), rather than taking
the specified input length into account.

That's bad, because it can lead to including input that wasn't intended to be
included (in case len is shorter than null termination of the string) and
because it can lead to reading invalid memory if the input string is not null
terminated.

Expand test_escape to this kind of bug:

a) for escape functions with length support, append data that should not be
   escaped and check that it is not

b) add valgrind requests to detect access of bytes that should not be touched

Author: Tom Lane <tgl@sss.pgh.pa.us>
Author: Andres Freund <andres@anarazel.de
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/Z64jD3u46gObCo1p@pryzbyj2023
Backpatch: 13
2025-02-14 18:09:24 -05:00
..
authentication Replace Test::More plans with done_testing 2022-02-11 20:54:44 +01:00
examples Update copyright for 2022 2022-01-07 19:04:57 -05:00
icu Fix icu tests with C locale 2022-09-19 15:39:49 -04:00
isolation Revert "For inplace update, send nontransactional invalidations." 2024-11-02 09:05:04 -07:00
kerberos Don't clobber test exit code at cleanup in LDAP/Kerberors tests 2024-04-07 20:22:28 +03:00
ldap Don't clobber test exit code at cleanup in LDAP/Kerberors tests 2024-04-07 20:22:28 +03:00
locale pycodestyle (PEP 8) cleanup in Python scripts 2022-03-09 10:54:20 +01:00
mb Fix MB regression tests for WAL-logging of hash indexes. 2017-03-15 07:25:36 -04:00
modules Fix PQescapeLiteral()/PQescapeIdentifier() length handling 2025-02-14 18:09:24 -05:00
perl Move routines to manipulate WAL into PostgreSQL::Test::Cluster 2025-01-16 09:26:28 +09:00
recovery Fix header check for continuation records where standbys could be stuck 2025-01-20 09:30:37 +09:00
regress Fix MakeTransitionCaptureState() to return a consistent result 2025-02-13 16:31:10 +09:00
ssl Force nodes for SSL tests to start in TCP mode 2024-07-08 11:40:58 -04:00
subscription Backport BackgroundPsql perl test module 2024-06-27 19:01:13 +03:00
Makefile Add option to use ICU as global locale provider 2022-03-17 11:13:16 +01:00
README Remove the option to build thread_test.c outside configure. 2020-10-21 12:08:48 -04:00

README 

PostgreSQL tests
================

This directory contains a variety of test infrastructure as well as some of the
tests in PostgreSQL. Not all tests are here -- in particular, there are more in
individual contrib/ modules and in src/bin.

Not all these tests get run by "make check". Check src/test/Makefile to see
which tests get run automatically.

authentication/
  Tests for authentication (but see also below)

examples/
  Demonstration programs for libpq that double as regression tests via
  "make check"

isolation/
  Tests for concurrent behavior at the SQL level

kerberos/
  Tests for Kerberos/GSSAPI authentication and encryption

ldap/
  Tests for LDAP-based authentication

locale/
  Sanity checks for locale data, encodings, etc

mb/
  Tests for multibyte encoding (UTF-8) support

modules/
  Extensions used only or mainly for test purposes, generally not suitable
  for installing in production databases

perl/
  Infrastructure for Perl-based TAP tests

recovery/
  Test suite for recovery and replication

regress/
  PostgreSQL's main regression test suite, pg_regress

ssl/
  Tests to exercise and verify SSL certificate handling

subscription/
  Tests for logical replication